<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="字典类型" prop="dictType">
        <el-select
          v-model="queryParams.dictType"
          placeholder="请选择字典类型"
          clearable
        >
          <el-option label="车辆类型" value="car_type"></el-option>
          <el-option label="燃油类型" value="fuel_type"></el-option>
          <el-option label="变速箱类型" value="gearbox_type"></el-option>
          <el-option label="订单状态" value="order_status"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="显示值" prop="dictLabel">
        <el-input
          v-model="queryParams.dictLabel"
          placeholder="请输入显示值"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="实际值" prop="dictValue">
        <el-input
          v-model="queryParams.dictValue"
          placeholder="请输入实际值"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['car:dict:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['car:dict:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['car:dict:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['car:dict:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="dictList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="字典项ID" align="center" prop="id" />
      <el-table-column label="字典类型" align="center" prop="dictType" />
      <el-table-column label="显示值" align="center" prop="dictLabel" />
      <el-table-column label="实际值" align="center" prop="dictValue" />
      <el-table-column label="状态" align="center" prop="status">
        <template slot-scope="scope">
          <el-tag v-if="scope.row.status === 0" type="success">启用</el-tag>
          <el-tag v-else-if="scope.row.status === 1" type="danger">禁用</el-tag>
          <span v-else>{{ scope.row.status }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['car:dict:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['car:dict:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改业务字典管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="字典类型" prop="dictType">
          <el-select
            v-model="form.dictType"
            placeholder="请选择字典类型"
            style="width: 100%"
          >
            <el-option label="车辆类型" value="car_type"></el-option>
            <el-option label="燃油类型" value="fuel_type"></el-option>
            <el-option label="变速箱类型" value="gearbox_type"></el-option>
            <el-option label="订单状态" value="order_status"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="显示值" prop="dictLabel">
          <el-input v-model="form.dictLabel" placeholder="请输入显示值" />
        </el-form-item>
        <el-form-item label="实际值" prop="dictValue">
          <el-input v-model="form.dictValue" placeholder="请输入实际值" />
        </el-form-item>
        <el-form-item label="状态" prop="status">
          <el-radio-group v-model="form.status">
            <el-radio :label="0">启用</el-radio>
            <el-radio :label="1">禁用</el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listDict, getDict, delDict, addDict, updateDict } from "@/api/car/dict"
import { clearDictCache } from "@/utils/dictUtils"

export default {
  name: "CarDict",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 业务字典管理表格数据
      dictList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        dictType: null,
        dictLabel: null,
        dictValue: null,
        status: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        dictType: [
          { required: true, message: "字典类型不能为空", trigger: "change" }
        ],
        dictLabel: [
          { required: true, message: "显示值不能为空", trigger: "blur" }
        ],
        dictValue: [
          { required: true, message: "实际值不能为空", trigger: "blur" }
        ],
        status: [
          { required: true, message: "状态：0-启用，1-禁用不能为空", trigger: "change" }
        ]
      }
    }
  },
  created() {
    this.getList()
  },
  methods: {
    /** 查询业务字典管理列表 */
    getList() {
      this.loading = true
      listDict(this.queryParams).then(response => {
        this.dictList = response.rows
        this.total = response.total
        this.loading = false
      })
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        dictType: null,
        dictLabel: null,
        dictValue: null,
        status: null
      }
      this.resetForm("form")
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm")
      this.handleQuery()
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset()
      this.form.status = 0 // 默认启用状态
      this.open = true
      this.title = "添加业务字典管理"
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      const id = row.id || this.ids
      getDict(id).then(response => {
        this.form = response.data
        this.open = true
        this.title = "修改业务字典管理"
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateDict(this.form).then(response => {
              // 清除对应的字典缓存
              clearDictCache(this.form.dictType)
              this.$modal.msgSuccess("修改成功，相关页面可点击'刷新字典'按钮更新数据")
              this.open = false
              this.getList()
            })
          } else {
            addDict(this.form).then(response => {
              // 清除对应的字典缓存
              clearDictCache(this.form.dictType)
              this.$modal.msgSuccess("新增成功，相关页面可点击'刷新字典'按钮更新数据")
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids
      const dictType = row.dictType || (this.dictList.find(item => this.ids.includes(item.id)) || {}).dictType
      this.$modal.confirm('是否确认删除业务字典管理编号为"' + ids + '"的数据项？').then(() => {
        return delDict(ids)
      }).then(() => {
        // 清除对应的字典缓存
        if (dictType) {
          clearDictCache(dictType)
        }
        this.getList()
        this.$modal.msgSuccess("删除成功，相关页面可点击'刷新字典'按钮更新数据")
      }).catch(() => {})
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('car/dict/export', {
        ...this.queryParams
      }, `dict_${new Date().getTime()}.xlsx`)
    }
  }
}
</script>
